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Old March 7th, 2018, 07:32 PM   #1

Beau79AU is offline
Join Date: Feb 2018
Location: NSW
Posts: 11
SoMachine Basic Modbus IO Scanner


Does anyone have any examples on how to use the Modbus IO Scanner on the Schneider M221 controller?

I have one on test bench with a Delta VFD-EL i want to control. I cannot get my head around how to set it up and communicate. The documentation isn't exactly easy from either Schneider or Delta.


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Old May 18th, 2018, 05:01 AM   #2
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Blevine is offline
Join Date: Mar 2018
Location: Leicester
Posts: 9
Up! Would be helpful for me too!
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Old May 18th, 2018, 09:00 AM   #3
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Engineer_MG is offline
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Join Date: Mar 2012
Location: USA
Posts: 74

1. Setup IP address of M221
2. Enable Modbus TCP IO Scanner
3. Setup Generic slave with IP address
4. Setup channels for the slave
5. You will see the IOScanner registers once the channels are setup
6. Use those registers to control your drive, check status etc.
7. For more information - SoM Basic help file -> Programming -> Network objects -> IOScanner objects

I have attached some pictures.
Also, you will need a minimum functional level of 6.0 to use the Modbus TCPIO Scanner.

If you are using Schneider ATV drives then we have pre-built function blocks to run the drives.

Hope this helps.
Attached Images
File Type: jpg Slave_Setup.jpg (28.0 KB, 65 views)
File Type: jpg IOScanner_Registers.jpg (29.4 KB, 64 views)
Ms. Engineer_MG
Senior Application Design Engineer
Schneider Electric , USA
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Old May 18th, 2018, 09:12 AM   #4
United Kingdom

Blevine is offline
Join Date: Mar 2018
Location: Leicester
Posts: 9

I have mine now working for Serial IO Scanning, getting data from an Access Point. Do you have any documentation or procedure on working with an M221 PLC and an Access Point connected to 10 devices possibly without IO Scanning?


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Old August 14th, 2018, 12:54 AM   #5

QasimFSH is offline
Join Date: Apr 2018
Location: Adelaide
Posts: 79
How to input the Unit ID?
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